11-13 yrs old
14-18 yrs old
Students create particle models of the 3 states of matter (solid, liquid and gas) by using 64 blocks configured in different ways inside closed jars.
September 11, 2019
States of Matter - Sample World
An exemplar for teachers but could also be shown to students either: before, during or after the task. Unzip, then double-click.
All matter is made of particles. As particles are heated, they vibrate back and forth at an atomic level. As they vibrate, they bump into each other, creating a repulsive force. There are also attractive forces between particles.
Using the Particle Model, explain the properties of:
In solids the attractive forces are much stronger than the repulsive forces, resulting in the particles being tightly packed in a set volume and locked into a set shape.
As heat is added the repulsive forces increase to the extent that the particles are no longer locked together (so take the shape of their container) but are still tightly packed and have a set volume.
As more heat is added, the repulsive forces become much stronger than the attractive forces. The particles are forced apart and take the shape and volume of the entire container. There are great spaces between the particles, so it is possible to compress a gas.
Option 1 - Less Prescriptive Lesson (students may work individually or in teams of up to 3)
Option 2 - More Prescriptive Lesson (students may work individually or in teams of up to 3)
Students will create 3 separate models, each enclosed in a container.
The solid will have a definite shape and have particles touching each other. It will be at the bottom of the container.
The liquid will be at the bottom of the container and will take the shape of the bottom of the container. All of the liquid particles will be touching each other.
The gas particles will occupy random places within the container. There will be spaces between the particles.
Each of the models will use the same type of block to represent the particles in each model. Each model will have the same number of blocks to demonstrate their understanding that these are the same particles in each state of matter.
Each model will be correctly labelled.
Explanations will be written on boards in-game. Teachers will determine the quality of response. Sample answers to may be found above in the 'Guiding Ideas and Questions' section.
Screenshots or in-game camera photos (with portfolio exports) will be used as evidence of learning.
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